Alunite and Opal Physical Properties

Alunite and Opal Chemical Formula

While comparing Alunite and Opal physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Alunite and Opal chemical formula.

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Alunite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite Vs Opal during the identification of gemstone. Specific gravity of Alunite is whereas that of Opal is .